Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

[Q]: Paragraph- Sent 1: LONDON, England (CNN) -- The most eagerly anticipated animated film this year hits big screens this weekend, as "The Simpsons Movie" opens worldwide.
Sent 2: The Screening Room spoke to creator Matt Groening and writer Al Jean in London about everyone's favorite two-dimensional yellow family.
Sent 3: Simpsons supremo Matt Groening with his creations at the film's premiere in Springfield, Vermont Matt Groening told the Screening Room that fans had driven the demand for the movie.
Sent 4: "We've had fans clamoring for a movie for the past 18 years," he said.
Sent 5: The film has taken four years to come to fruition, as writer Al Jean explained.
Sent 6: "What really held us up for a long time was to have enough people to do the show and the movie," he said.
Sent 7: "We talked for a while about doing the movie after the show is done, but the show is never done!
Sent 8: So it really started in earnest in 2003, when we started working on this story that became the movie."Sent 9: Technology has also played its part.
Sent 10: Jean continued, "The technology to do this film really wasn't even around five years ago.
Sent 11: For example, there was this joke I once pitched and David Silverman, the director, started drawing and as I was pitching it, it went into the film and it was cut a day later.
Sent 12: To go from pitch to cut in two days is pretty impressive."Sent 13: Its creators hope that "The Simpsons Movie" will both satisfy long-term fans and bring Homer and Marge's family to a new audience.
Sent 14: Groening told the Screening Room, "This movie is designed to both honor the people who have loved the show all this time, so there's lots of little details for them in the movie, little characters and stuff who they know and love, but we also want people who don't know the family to not be completely confused.
Sent 15: It is a complete movie experience, but again, we have a lot of little details that only the really, true die-hard fans are going to get."Sent 16: And fans can expect to be entertained by plenty of cartoon mishaps.
Sent 17: Groening said, "When you see somebody fall off the roof in a live-action film, it's funny -- we all love it.
Sent 18: But it's not as funny as when Homer falls off the roof. 
Question: How many years was the film held up from coming into fruition due to the need of having enough people for the film and show?.
[A]: 4.


[Q]: Paragraph- Sent 1: While this process moved along, diplomacy continued its rounds.
Sent 2: Direct pressure on the Taliban had proved unsuccessful.
Sent 3: As one NSC staff note put it, "Under the Taliban, Afghanistan is not so much a state sponsor of terrorism as it is a state sponsored by terrorists."Sent 4: In early 2000, the United States began a high-level effort to persuade Pakistan to use its influence over the Taliban.
Sent 5: In January 2000, Assistant Secretary of State Karl Inderfurth and the State Department's counterterrorism coordinator, Michael Sheehan, met with General Musharraf in Islamabad, dangling before him the possibility of a presidential visit in March as a reward for Pakistani cooperation.
Sent 6: Such a visit was coveted by Musharraf, partly as a sign of his government's legitimacy.
Sent 7: He told the two envoys that he would meet with Mullah Omar and press him on  Bin Laden.
Sent 8: They left, however, reporting to Washington that Pakistan was unlikely in fact to do anything," given what it sees as the benefits of Taliban control of Afghanistan."Sent 9: President Clinton was scheduled to travel to India.
Sent 10: The State Department felt that he should not visit India without also visiting Pakistan.
Sent 11: The Secret Service and the CIA, however, warned in the strongest terms that visiting Pakistan would risk the President's life.
Sent 12: Counterterrorism officials also argued that Pakistan had not done enough to merit a presidential visit.
Sent 13: But President Clinton insisted on including Pakistan in the itinerary for his trip to South Asia.
Sent 14: His one-day stopover on March 25, 2000, was the first time a U.S. president had been there since 1969.
Sent 15: At his meeting with Musharraf and others, President Clinton concentrated on tensions between Pakistan and India and the dangers of nuclear proliferation, but also discussed  Bin Laden.
Sent 16: President Clinton told us that when he pulled Musharraf aside for a brief, one-on-one meeting, he pleaded with the general for help regarding  Bin Laden."Sent 17: I offered him the moon when I went to see him, in terms of better relations with the United States, if he'd help us get  Bin Laden and deal with another issue or two."Sent 18: The U.S. effort continued. 
Question: Who did The State Department feel should visit both India and Pakistan?.
[A]: The president.


[Q]: Paragraph- Sent 1: According to the radar reconstruction, American 77 reemerged as a primary target on Indianapolis Center radar scopes at 9:05, east of its last known position.
Sent 2: The target remained in Indianapolis Center's airspace for another six minutes, then crossed into the western portion of Washington Center's airspace at 9:10.
Sent 3: As Indianapolis Center continued searching for the aircraft, two managers and the controller responsible for American 77 looked to the west and southwest along the flight's projected path, not east-where the aircraft was now heading.
Sent 4: Managers did not instruct other controllers at Indianapolis Center to turn on their primary radar coverage to join in the search for American 77.
Sent 5: In sum, Indianapolis Center never saw Flight 77 turn around.
Sent 6: By the time it reappeared in primary radar coverage, controllers had either stopped looking for the aircraft because they thought it had crashed or were looking toward the west.
Sent 7: Although the Command Center learned Flight 77 was missing, neither it nor FAA headquarters issued an all points bulletin to surrounding centers to search for primary radar targets.
Sent 8: American 77 traveled undetected for 36 minutes on a course heading due east for Washington, D.C. By 9:25, FAA's Herndon Command Center and FAA headquarters knew two aircraft had crashed into the World Trade Center.
Sent 9: They knew American 77 was lost.
Sent 10: At least some FAA officials in Boston Center and the New England Region knew that a hijacker on board American 11 had said "we have some planes."Sent 11: Concerns over the safety of other aircraft began to mount.
Sent 12: A manager at the Herndon Command Center asked FAA headquarters if they wanted to order a "nationwide ground stop."Sent 13: While this was being discussed by executives at FAA headquarters, the Command Center ordered one at 9:25.
Sent 14: The Command Center kept looking for American 77.
Sent 15: At 9:21, it advised the Dulles terminal control facility, and Dulles urged its controllers to look for primary targets.
Sent 16: At 9:32, they found one.
Sent 17: Several of the Dulles controllers "observed a primary radar target tracking eastbound at a high rate of speed" and notified Reagan National Airport.
Sent 18: FAA personnel at both Reagan National and Dulles airports notified the Secret Service. 
Question: What caused concerns over the safety of other aircraft began to mount?.
[A]:
We have some planes.


